Replacement Fuse Clips for the Fuse Block ?? - 1969-70 Jan 31, 2014Hi, brand new member here. I have a 1970 Mustang which the horn has never worked since I got it. It has two horns in front of the radiator, but I wonder if the horn relay is bad or missing. Replacement Fuse Clips for the Fuse Block ?? Sign in to follow this . Does anybody have a source to buy replacement clips for the fuse box ?? I've 1969 mustang fuse box | eBay Find great deals on eBay for 1969 mustang fuse box. Shop with confidence. Skip to main content. eBay Logo: Mustang Underdash Wiring Complete With Fuse Box w/o Tach 1969 Alloy Metal See more like this. 1968 1969 1970 Mustang GT Mach 1 Shelby Cougar ORIG FUSE BOX ACCESSORY BUS BAR. $59. Buy It Now +$4 shipping.